US20230420807A1 - Battery assembly - Google Patents

Battery assembly Download PDF

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Publication number
US20230420807A1
US20230420807A1 US18/462,988 US202318462988A US2023420807A1 US 20230420807 A1 US20230420807 A1 US 20230420807A1 US 202318462988 A US202318462988 A US 202318462988A US 2023420807 A1 US2023420807 A1 US 2023420807A1
Authority
US
United States
Prior art keywords
posts
battery assembly
batteries
locking member
engaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US18/462,988
Other languages
English (en)
Inventor
Dominic SPOONER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Battery Graphene Corp Pty Ltd
Original Assignee
Battery Graphene Corp Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Battery Graphene Corp Pty Ltd filed Critical Battery Graphene Corp Pty Ltd
Publication of US20230420807A1 publication Critical patent/US20230420807A1/en
Assigned to Battery Graphene Corp Pty Ltd reassignment Battery Graphene Corp Pty Ltd ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SPOONER, DOMINIC EDWARD
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H01M50/287—Fixing of circuit boards to lids or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a battery assembly.
  • Battery clamshells are a type of battery assembly commonly used in electric vehicles.
  • the clamshell includes batteries with welded tabs at top and bottom. Plastic layers are provided to hold the batteries and a serpentine cooling system runs though the clamshell.
  • PCT/AU2020/050604 discloses a less complex battery assembly which avoids the need to weld by enabling snap fitting of parts during assembly.
  • the snap-fitting involves squeezing resilient heads through apertures.
  • significant force is required to snap fit the parts together, particularly for larger assemblies with a greater number of cells.
  • it can be difficult to release the parts of the assembly for recycling.
  • the present invention provides an improved battery assembly.
  • a battery assembly including:
  • the locking member may require less pressure to lock the assembly together and may be easier to release than the snap fit arrangement of PCT/AU2020/050604, without the need for screws or other threaded fasteners.
  • the locking member may define apertures through which respective posts pass.
  • the locking member may engage with the posts using a tongue-in-hole arrangement.
  • the locking member may be slid along the receiver to engage the tongue-in-hole arrangement for locking.
  • the locking member may define tongues in the apertures which engage within holes in the posts.
  • the receiver may define apertures through which respective posts are received.
  • the receiver may include an insulator plate.
  • the receiver may include a current collector for engaging with the batteries.
  • the battery assembly may further include a base plate.
  • the base plate may include an insulator plate.
  • the base plate may include a current collector for engaging with the batteries.
  • the posts may extend from the base plate. The posts may be welded to the base plate.
  • a battery pack including:
  • the casing may include a container, and a lid for fitting to the container.
  • a retainer for retaining batteries in a battery assembly including:
  • a method for assembling a battery assembly including batteries and posts extending from the batteries, the method including:
  • FIG. 1 is a perspective view of a battery assembly in an open position with a locking plate removed;
  • FIG. 2 is a perspective view of the battery assembly of FIG. 1 , with the locking plate in an unlocked slide position;
  • FIG. 3 is a perspective view of the battery assembly of FIG. 2 , with the locking plate slid to lock the assembly together;
  • FIG. 4 is a perspective view of the base of the battery assembly of FIG. 1 ;
  • FIG. 5 is a perspective view of the battery assembly of FIG. 1 showing all of the layers.
  • a battery assembly 100 as shown in FIG. 1 .
  • the battery assembly 100 includes a grid of cylindrical batteries 102 , each standing upright. Posts 104 extend up from the top of the batteries 102 .
  • a plate receiver 106 is provided for receiving and retaining the upper free ends of the posts 102 in position during locking. The receiver 106 defines apertures through which respective posts 102 are snugly received.
  • a locking plate 108 (i.e. member) is provided for engaging with the retained posts 104 , which then resist bending and lateral movement, to lock the assembly 100 together.
  • the locking plate 108 requires less pressure to lock the assembly 100 together and is easier to release than the snap fit arrangement of PCT/AU2020/050604, also without the need for screws or other threaded fasteners.
  • the locking plate 108 defines apertures 200 through which the free end of respective posts 104 pass.
  • the locking plate 108 engages with the posts 104 using a tongue-in-hole arrangement.
  • the locking plate 108 defines tongues 202 in the apertures 200 which engage within holes 204 in the posts 104 .
  • the locking plate 108 is slid along the plate receiver 106 to engage the tongue-in-hole arrangement for locking when the locking plate 108 and receiver 106 are superposed.
  • the battery assembly 100 further includes a base plate 400 .
  • the polymeric posts 104 extend perpendicularly from the base plate 400 .
  • the resilient posts 104 are inserted into the base plate 400 , and then electro-welded to the base plate 400 .
  • the base plate 400 defines a receiver 402 for receiving a current collector which contacts the batteries 102 .
  • the receiver 106 includes an outer insulator plate 500 a , and an adjacent inner current collector 502 a for engaging with the batteries 102 .
  • the current collector 502 a and batteries 102 are received within the outer insulator plate 500 a.
  • the base plate 400 includes an outer insulator plate 500 b , and an adjacent inner current collector 502 b for engaging with the batteries 102 .
  • the current collector 502 b and batteries 102 are received within the receiver 402 of the outer insulator plate 500 b.
  • the electrical insulator plates 500 , posts 104 and locking plate 108 are molded from polymeric material to avoid short circuiting the batteries 102 , and include graphene to enhance thermal conductivity for heat sinking.
  • the electrically conductive current collectors 502 are coated within respective insulator plates 500 , and include metal and graphene.
  • the current collectors 502 can be configured so that the batteries 102 are connected in parallel or series, as required.
  • the assembly 100 can be snugly encased withing a thermally conductive casing, which helps to cool the batteries 102 , and to form a secure battery pack.
  • the casing includes a container for containing the assembly 100 , and a lid for fitting to the container.
  • the assembly 100 with base plate 400 is provided.
  • the batteries 102 are serially loaded between the posts 104 and into the receiver 402 .
  • the plate receiver 106 receives the free ends of the posts 104 as it rests on the batteries 102 .
  • the locking plate 108 is placed over the posts 104 as shown in FIG. 2 , and is then slid along the plate receiver 106 as shown in FIG. 3 so that the locking plate 108 engages with the retained posts 104 to lock the assembly 100 together.
  • the locked assembly 100 can then be securely placed in the casing to form the battery pack.
  • the reverse disassembly steps can be readily performed to remove and replace the batteries 102 .
  • the generally weld-free battery assembly 100 aside from electro-welded posts 104 , eliminates fasteners without affecting the overall structure of the battery pack. It provides for quicker, easier assembly with less parts, and is designed for disassembly.
  • the assembly 100 is safer to assemble and maintain, has reduced weight and size, and allows for any type of liquid cooling system.
  • the base plate 400 and plate receiver 106 define physical molded in terminal bumps to promote electrical contact with the batteries 102 .
  • the electrical insulator plates 500 , posts 104 and/or locking plate 108 are not polymeric. In one embodiment, the posts 104 are not electro-welded in place, but rather locked in place or secured by some other fixing method.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
US18/462,988 2021-03-12 2023-09-07 Battery assembly Pending US20230420807A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2021101290 2021-03-12
AU2021101290A AU2021101290A4 (en) 2021-03-12 2021-03-12 A Battery Assembly
PCT/AU2022/050096 WO2022187886A1 (fr) 2021-03-12 2022-02-14 Ensemble de batteries

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2022/050096 Continuation-In-Part WO2022187886A1 (fr) 2021-03-12 2022-02-14 Ensemble de batteries

Publications (1)

Publication Number Publication Date
US20230420807A1 true US20230420807A1 (en) 2023-12-28

Family

ID=75714286

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/462,988 Pending US20230420807A1 (en) 2021-03-12 2023-09-07 Battery assembly

Country Status (6)

Country Link
US (1) US20230420807A1 (fr)
EP (1) EP4305701A1 (fr)
KR (1) KR20230156933A (fr)
CN (1) CN117546347A (fr)
AU (2) AU2021101290A4 (fr)
WO (1) WO2022187886A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4156395A4 (fr) * 2021-07-15 2024-09-11 Rept Battero Energy Co Ltd Module de batterie, bloc-batterie et véhicule électrique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058100B (zh) * 2012-09-06 2018-11-13 阿提瓦公司 框架具有点胶挡止的电池组件
JP7169523B2 (ja) * 2019-04-02 2022-11-11 トヨタ自動車株式会社 組電池
EP3984079A4 (fr) * 2019-06-17 2023-07-12 Battery Graphene Corp Pty Ltd Ensemble batterie
CN112331985A (zh) * 2020-08-12 2021-02-05 宁德时代新能源科技股份有限公司 电池模组、电池、用电装置、电池模组的制造方法及系统

Also Published As

Publication number Publication date
EP4305701A1 (fr) 2024-01-17
WO2022187886A1 (fr) 2022-09-15
AU2023237184A1 (en) 2023-11-16
CN117546347A (zh) 2024-02-09
AU2021101290A4 (en) 2021-05-06
KR20230156933A (ko) 2023-11-15

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Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

AS Assignment

Owner name: BATTERY GRAPHENE CORP PTY LTD, AUSTRALIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SPOONER, DOMINIC EDWARD;REEL/FRAME:066096/0616

Effective date: 20240109